1) Download Huawei E-173 Firmware (E173Update_11.126.85.00.209_B427.exe)
2) Download Universal Master Code
3) Download Huawei Mobile Partner Software
4) 15 digit IMEI number located at your Huawei modem.
Unlocking method :
1) First of all using Universal Master Code, get flash code and unlock code for the modem.
2) Then plug in the modem to your desktop/laptop with another networks sim.
3) After all the drivers have been loaded just double click on E173Update_11.126.85.00.209_B427.exe and it will find your data card automatically.
4) Then the process will start and on the next screen you will be asked to give flash code as your password .
5) As this step completes your software will be updated successfully.
6) Now install Huawei Mobile Partner Software.
7) After installing, open Huawei Mobile Partner and if unlock code is required then enter the code generated in first step.
8). After that, the Huawei Mobile Partner will automatically detects the settings.
9) Now try to connect device to the internet.
Hope you will unlock your modem too. Feel free to leave a comment if you didn't unlock and I will help you.
